125938857 has 12 divisors (see below), whose sum is σ = 184572080. Its totient is φ = 76326360.

The previous prime is 125938847. The next prime is 125938889. The reversal of 125938857 is 758839521.

It is not a de Polignac number, because 125938857 - 2¹⁵ = 125906089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125938807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173107 + ... + 173832.

Almost surely, 2^125938857 is an apocalyptic number.

It is an amenable number.

125938857 is a deficient number, since it is larger than the sum of its proper divisors (58633223).

125938857 is a wasteful number, since it uses less digits than its factorization.

125938857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346964 (or 346953 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The square root of 125938857 is about 11222.2483041501. The cubic root of 125938857 is about 501.2486882925.

The spelling of 125938857 in words is "one hundred twenty-five million, nine hundred thirty-eight thousand, eight hundred fifty-seven".